1. haven't since ( yet:chưa)
2. called(yesterday:ngày hôm qua)
3. has read(already)
4. haven't begun
5. have met( nhấn mạnh khoảng thời gian đi)
6. has been(several time)
7. haven't seen(yet)
8. did your father give up(When+S+Vqk)
9. has taken(already
10. Have you washed
VI
1. has moved
2. has lived
3. has worked
4. spent
5. has explained
6. delivered
7. hasn't finished
8. have visited
9. heard(ago)
10. haven't started
Xin hay
